2945196450 has 504 divisors, whose sum is σ = 10220603652. Its totient is φ = 627056640.

The previous prime is 2945196439. The next prime is 2945196451. The reversal of 2945196450 is 546915492.

2945196450 is a `hidden beast` number, since 2 + 9 + 4 + 5 + 196 + 450 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1414587321 + 1530609129 = 37611^2 + 39123^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2945196396 and 2945196405.

It is not an unprimeable number, because it can be changed into a prime (2945196451) by changing a digit.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 30362802 + ... + 30362898.

Almost surely, 2^2945196450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2945196450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5110301826).

2945196450 is an abundant number, since it is smaller than the sum of its proper divisors (7275407202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945196450 is a wasteful number, since it uses less digits than its factorization.

2945196450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2945196450 is about 54269.6641780654. The cubic root of 2945196450 is about 1433.4132768944.

The spelling of 2945196450 in words is "two billion, nine hundred forty-five million, one hundred ninety-six thousand, four hundred fifty".